| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | ISL1208IB8ZR5291 | Intersil | IC RTC CLK/CALENDAR I2C 8-SOIC |
 | ISL12026IBZ-T | Intersil | RTC IC, I2C, 512B EEPROM, 3.3V, SOIC8/TSSOP8, -40C to 85C |
 | DS17485S-5/T&R | Maxim | 4KB Real-Time Clock IC, SOIC Package, 0°C to 70°C, 4.5V to 5.5V |
 | DS1302Z/T&R | Maxim | Real Time Clock IC, 31B Memory, 3-WIRE Serial Interface, SOIC Package |
 | M48T37V-10MH1 | Stmicroelectronics | Real Time Clock SOH-44 Surface Mount 0°C to 70°C 3V to 3.6V |
No Image | DS2417X/T&R | Maxim | IC RTC BINARY CNT SER 6-FLIPCHIP |
 | DS1307Z+T&R/C01 | Maxim | IC RTC CLK/CALENDAR I2C 8-SOIC |
No Image | ISL1208IRT8Z | Intersil | Real Time Clock Serial 2Byte 8-Pin TDFN EP |
No Image | M41T315V-85MH6F | Stmicroelectronics | SOP28 Surface Mount Clock IC 3.3V 85°C |
 | DS1248W-120 | Maxim | IC RTC PHANTOM PAR 32-DIP |
 | DS1672S-2 | Maxim | IC RTC BINARY CNT I2C 8-SOIC |
 | DS1339C-2 | Maxim | Real Time Clock, 1 Timer(s), CMOS, PDSO16, 0.300 INCH, SOP-16 |
 | PCF8564AU/10AA/1 | NXP | Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt Die |
No Image | BQ3285LFSS-A1TRG4 | Texas Instruments | Y2K Enhanced ACPI Compliant RTC IC w 240x8 NVSRAM, Alarm Wake-up 3.3V op 32kHz Dedicated Output 24-SSOP |
 | DS1689S-TRL | Maxim | IC RTC CLK/CALENDAR PAR 28-SOIC |
 | ISL1208IU8Z-TK | Intersil | I2C RTC IC, SOIC, -40 to 85C, 5.5V |
 | DS1248Y-70IND | Maxim | Real Time Clock, Non-Volatile, CMOS, PDIP32, 0.740 INCH, ENCAPSULATED, DIP-32 |
 | RX-8571NB:B3PURESN | Epson | IC RTC CLK/CALENDAR I2C 22-SON |
 | DS1685EN-5/T&R | Maxim | IC RTC CLK/CALENDAR PAR 24-TSSOP |
 | PCF8564AU/5GE/1 | NXP | Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt Die |